Solidity Security Patterns

Common vulnerability patterns in Solidity smart contracts with fixes and best practices.

Patterns Covered

• Reentrancy — CEI pattern and ReentrancyGuard
• Integer Overflow/Underflow — SafeMath and Solidity 0.8+
• Access Control — Ownable and role-based access
• Flash Loan Attacks — Detection and prevention
• Unchecked External Calls — Proper error handling
• Front Running — Commit-reveal scheme

Structure

patterns/
├── reentrancy/
├── overflow/
├── access-control/
└── flash-loan/

Tools

• Slither
• Mythril
• Hardhat
• Foundry

Contact

• LinkedIn: linkedin.com/in/ayatdev
• GitHub: github.com/AyatDev